diff --git a/CHANGES.rst b/CHANGES.rst
index 06c160d..cb60cc4 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -26,6 +26,7 @@ Bug fixes:
 
 Minor changes:
 
+- Analyse code coverage of test files
 - Added corpus to fuzzing directory
 - Added exclusion of fuzzing corpus in MANIFEST.in
 - Augmented fuzzer to optionally convert multiple calendars from a source string
diff --git a/tox.ini b/tox.ini
index de95111..54e7050 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,7 +12,7 @@ deps =
     coverage
     hypothesis
 commands =
-    coverage run --source=src/icalendar --omit=*/tests/* --module pytest []
+    coverage run --source=src/icalendar --omit=*/tests/hypothesis/* --omit=*/tests/fuzzed/* --module pytest []
     coverage report
     coverage html